<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form
        ref="login_form_ref"
        class="login_form"
        :model="login_form"
        :rules="login_form_rules"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="iconfont icon-yonghuguanli"
            v-model="login_form.username"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            prefix-icon="el-icon-lock"
            v-model="login_form.password"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="reset_login_form">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      //  登录表单绑定对象
      login_form: {
        username: 'admin',
        password: '123456'
      },
      // 登录表单验证规则
      login_form_rules: {
        //  验证用户名
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' },
        { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
        // 验证密码
        password: [{ required: true, message: '请输入密码', trigger: 'blur' },
        { min: 6, max: 18, message: '长度在 6 到 18 个字符', trigger: 'blur' }]
      }
    }
  },
  methods: {
    // 重置登录表单事件
    reset_login_form: function () {
      console.log(this);
      this.$refs.login_form_ref.resetFields();
    },
    login() {
      // 登录按钮预校验
      this.$refs.login_form_ref.validate(async (volid) => {
        // console.log(volid);
        if (!volid) {
          return;
        }
        // 表单预验证通过
        const { data: res } = await this.$http.post("login", this.login_form);
        if (res.meta.status !== 200) {
          return this.$message.error("登录失败！")
        }
        this.$message.success("登录成功！");
        window.sessionStorage.setItem("token", res.data.token);
        this.$router.push('/home');

      })
    }
  }

}
</script>
<style lang="less" scoped>
.login_container {
  height: 100%;
  background-color: #2b4b6b;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 5px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 2px solid #eee;
    border-radius: 50%;
    // padding: 10px;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>